Exception encountered, of type "FileBackendException"
[7e2d4e20] /wiki/Forum:MediaWiki1.16%E3%81%B8%E3%81%AE%E3%82%A2%E3%83%83%E3%83%97%E3%82%B0%E3%83%AC%E3%83%BC%E3%83%89%E3%81%AB%E3%82%88%E3%82%8B%E4%B8%8D%E5%85%B7%E5%90%88%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6 FileBackendException from line 142 of /home/sophia/uncyc/mediawiki-1.25.2/includes/filebackend/FileBackend.php: Backend wiki ID not provided for 'timeline-backend'.
Backtrace:
#0 /home/sophia/uncyc/mediawiki-1.25.2/includes/filebackend/FileBackendStore.php(68): FileBackend->__construct(array)
#1 /home/sophia/uncyc/mediawiki-1.25.2/includes/filebackend/FSFileBackend.php(69): FileBackendStore->__construct(array)
#2 /home/sophia/uncyc/extensions/local/timeline/Timeline.php(76): FSFileBackend->__construct(array)
#3 [internal function]: wfRenderTimeline(string, array, Parser, PPFrame_DOM)
#4 /home/sophia/uncyc/mediawiki-1.25.2/includes/parser/Parser.php(4212): call_user_func_array(string, array)
#5 /home/sophia/uncyc/mediawiki-1.25.2/includes/parser/Preprocessor_DOM.php(1252): Parser->extensionSubstitution(array, PPFrame_DOM)
#6 /home/sophia/uncyc/mediawiki-1.25.2/includes/parser/Parser.php(3322): PPFrame_DOM->expand(PPNode_DOM, integer)
#7 /home/sophia/uncyc/mediawiki-1.25.2/includes/parser/Parser.php(1231): Parser->replaceVariables(string)
#8 /home/sophia/uncyc/mediawiki-1.25.2/includes/parser/Parser.php(434): Parser->internalParse(string)
#9 /home/sophia/uncyc/mediawiki-1.25.2/includes/content/WikitextContent.php(333): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#10 /home/sophia/uncyc/mediawiki-1.25.2/includes/content/AbstractContent.php(497): WikitextContent->fillParserOutput(Title, integer, ParserOptions, boolean, ParserOutput)
#11 /home/sophia/uncyc/mediawiki-1.25.2/includes/poolcounter/PoolWorkArticleView.php(140): AbstractContent->getParserOutput(Title, integer, ParserOptions)
#12 /home/sophia/uncyc/mediawiki-1.25.2/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#13 /home/sophia/uncyc/mediawiki-1.25.2/includes/page/Article.php(674): PoolCounterWork->execute()
#14 /home/sophia/uncyc/mediawiki-1.25.2/includes/actions/ViewAction.php(44): Article->view()
#15 /home/sophia/uncyc/mediawiki-1.25.2/includes/MediaWiki.php(395): ViewAction->show()
#16 /home/sophia/uncyc/mediawiki-1.25.2/includes/MediaWiki.php(273): MediaWiki->performAction(Article, Title)
#17 /home/sophia/uncyc/mediawiki-1.25.2/includes/MediaWiki.php(566): MediaWiki->performRequest()
#18 /home/sophia/uncyc/mediawiki-1.25.2/includes/MediaWiki.php(414): MediaWiki->main()
#19 /home/sophia/uncyc/mediawiki-1.25.2/index.php(41): MediaWiki->run()
#20 {main}